WPF中ListBox的⾃定义模板
<SolidColorBrush x:Key="ListBox.Static.Background" Color="#FFFFFFFF"/>
<SolidColorBrush x:Key="ListBox.Static.Border" Color="#FFABADB3"/>
<SolidColorBrush x:Key="ListBox.Disabled.Background" Color="#FFFFFFFF"/>
<SolidColorBrush x:Key="ListBox.Disabled.Border" Color="#FFD9D9D9"/>
<Style x:Key="ListBoxStyle1" TargetType="{x:Type ListBox}">
<Setter Property="Background" Value="{StaticResource ListBox.Static.Background}"/>
<Setter Property="BorderBrush" Value="{StaticResource ListBox.Static.Border}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
<Setter Property="ScrollViewer.CanContentScroll" Value="true"/>
<Setter Property="ScrollViewer.PanningMode" Value="Both"/>
<Setter Property="Stylus.IsFlicksEnabled" Value="False"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBox}">
<Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background ="{TemplateBinding Background}" Padding="1" SnapsToDevicePixels="true">
<ScrollViewer Focusable="false" Padding="{TemplateBinding Padding}">
<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
</ScrollViewer>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Background" TargetName="Bd" Value="{StaticResource ListBox.Disabled.Background}"/>
borderbox<Setter Property="BorderBrush" TargetName="Bd" Value="{StaticResource ListBox.Disabled.Border}"/>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsGrouping" Value="true"/>
<Condition Property="VirtualizingPanel.IsVirtualizingWhenGrouping" Value="false"/>
</MultiTrigger.Conditions>
<Setter Property="ScrollViewer.CanContentScroll" Value="false"/>
</MultiTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<StackPanel/>
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
<Setter Property="ItemContainerStyle">
<Setter.Value>
<Style TargetType="ListBoxItem">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListBoxItem">
<Border x:Name="Border" Margin="0" Height="30" BorderThickness="0" BorderBrush="Red" Padding="1" Background="{TemplateBi nding Background}">
<TextBlock Text="{TemplateBinding Content}" HorizontalAlignment="Left" VerticalAlignment="Center"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="Border"  Property="Background" Value="Red"></Setter>
</Trigger>
<EventTrigger RoutedEvent="Mouse.MouseEnter">
<BeginStoryboard>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetName="Border" Storyboard.TargetProperty="Height"  To="50" Duration="0:0:0:0"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
<EventTrigger RoutedEvent="Mouse.MouseLeave">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetName="Border" Storyboard.TargetProperty="Height" To="30" Duration="0:0:0:0"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Setter.Value>
</Setter>
</Style>
如何使⽤？
<ListBox x:Name="_listbox" Grid.Column="1" ItemsSource="{Binding Messages}" Style="{DynamicResource ListBoxStyle1}"/>
上述效果实现⿏标移到listbox上⾯时，当前⼦项的背景颜⾊和⾼度发⽣变化，如果改动了Storyboard的Duration时间，还可以看到动画效果

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